201930276838 has 12 divisors (see below), whose sum is σ = 312981425820. Its totient is φ = 97708197540.

The previous prime is 201930276829. The next prime is 201930276929. The reversal of 201930276838 is 838672039102.

It is a junction number, because it is equal to n+sod(n) for n = 201930276791 and 201930276800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52529368 + ... + 52533211.

It is an arithmetic number, because the mean of its divisors is an integer number (26081785485).

Almost surely, 2^201930276838 is an apocalyptic number.

201930276838 is a deficient number, since it is larger than the sum of its proper divisors (111051148982).

201930276838 is a wasteful number, since it uses less digits than its factorization.

201930276838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105062643 (or 105062612 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 201930276838 in words is "two hundred one billion, nine hundred thirty million, two hundred seventy-six thousand, eight hundred thirty-eight".